<img
v-gallery:group1
v-for="img in list1"
:src="img.src">
<img
v-gallery="'group2'"
v-for="(img,index) in list2"
:data-index="index"
:src="img.src">
<img
v-gallery
v-for="img in list3"
:src="img.src">
<img
v-gallery:group3
v-for="(img,index) in list4"
:data-large="img.src"
:src="img.thumbnail">